blockquote,
body,
button,
dd,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
input,
legend,
li,
ol,
p,
pre,
td,
textarea,
th,
ul {
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.cl:before,
.clearfix:before,
.cl:after,
.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden
}

.cl,
.clearfix {
  zoom: 1
}

a {
  text-decoration: none;
  color: #fff;
}

ul {
  list-style: none;
}

.show {
  display: block;
}

.hide {
  display: none;
}
